diff --git a/Adapty/Classes/CustomStringConvertible.swift b/Adapty/Classes/CustomStringConvertible.swift
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+++ b/Adapty/Classes/CustomStringConvertible.swift
@@ -0,0 +1,234 @@
+//
+//  CustomStringConvertible.swift
+//  Adapty
+//
+//  Created by Ilya Laryionau on 10/5/20.
+//  Copyright © 2020 Adapty. All rights reserved.
+//
+
+// MARK: - PaywallModel
+
+extension PaywallModel {
+    public override var description: String {
+        let keysAndValues: [String: Any?] = [
+            "developerId": developerId,
+            "variationId": variationId,
+            "revision": revision,
+            "isPromo": isPromo,
+            "products": products,
+            "visualPaywall": visualPaywall,
+            "customPayload": customPayload
+        ]
+
+        return keysAndValues
+            .compactMapValues { $0 }
+            .map { "\($0.key): \($0.value)" }
+            .joined(separator: ", ")
+    }
+}
+
+// MARK: - ProductModel
+
+extension ProductModel {
+    public override var description: String {
+        let keysAndValues: [String: Any?] = [
+            "vendorProductId": vendorProductId,
+            "introductoryOfferEligibility": introductoryOfferEligibility,
+            "promotionalOfferEligibility": promotionalOfferEligibility,
+            "promotionalOfferId": promotionalOfferId,
+            "localizedDescription": localizedDescription,
+            "localizedTitle": localizedTitle,
+            "price": price,
+            "currencyCode": currencyCode,
+            "currencySymbol": currencySymbol,
+            "regionCode": regionCode,
+            "subscriptionPeriod": subscriptionPeriod,
+            "introductoryDiscount": introductoryDiscount,
+            "subscriptionGroupIdentifier": subscriptionGroupIdentifier,
+            "discounts": discounts,
+            "localizedPrice": localizedPrice,
+            "localizedSubscriptionPeriod": localizedSubscriptionPeriod
+        ]
+
+        return keysAndValues
+            .compactMapValues { $0 }
+            .map { "\($0.key): \($0.value)" }
+            .joined(separator: ", ")
+    }
+}
+
+extension ProductModel.PeriodUnit: CustomStringConvertible {
+    public var description: String {
+        switch self {
+        case .day:
+            return "day"
+        case .week:
+            return "week"
+        case .month:
+            return "month"
+        case .year:
+            return "year"
+        case .unknown:
+            return "unknown"
+        }
+    }
+}
+
+extension ProductSubscriptionPeriodModel {
+    public override var description: String {
+        let keysAndValues: [String: Any?] = [
+            "unit": unit,
+            "numberOfUnits": numberOfUnits
+        ]
+
+        return keysAndValues
+            .compactMapValues { $0 }
+            .map { "\($0.key): \($0.value)" }
+            .joined(separator: ", ")
+    }
+}
+
+extension ProductDiscountModel {
+    public override var description: String {
+        let keysAndValues: [String: Any?] = [
+            "price": price,
+            "identifier": identifier,
+            "subscriptionPeriod": subscriptionPeriod,
+            "numberOfPeriods": numberOfPeriods,
+            "paymentMode": paymentMode,
+            "localizedPrice": localizedPrice,
+            "localizedSubscriptionPeriod": localizedSubscriptionPeriod,
+            "localizedNumberOfPeriods": localizedNumberOfPeriods
+        ]
+
+        return keysAndValues
+            .compactMapValues { $0 }
+            .map { "\($0.key): \($0.value)" }
+            .joined(separator: ", ")
+    }
+}
+
+extension ProductDiscountModel.PaymentMode: CustomStringConvertible {
+    public var description: String {
+        switch self {
+        case .payAsYouGo:
+            return "payAsYouGo"
+        case .payUpFront:
+            return "payUpFront"
+        case .freeTrial:
+            return "freeTrial"
+        case .unknown:
+            return "unknown"
+        }
+    }
+}
+
+// MARK: - PromoModel
+
+extension PromoModel {
+    public override var description: String {
+        let keysAndValues: [String: Any?] = [
+            "promoType": promoType,
+            "variationId": variationId,
+            "expiresAt": expiresAt,
+            "paywall": paywall
+        ]
+
+        return keysAndValues
+            .compactMapValues { $0 }
+            .map { "\($0.key): \($0.value)" }
+            .joined(separator: ", ")
+    }
+}
+
+// MARK: - PurchaserInfoModel
+
+extension PurchaserInfoModel {
+    public override var description: String {
+        let keysAndValues: [String: Any?] = [
+            "paidAccessLevels": paidAccessLevels,
+            "subscriptions": subscriptions,
+            "nonSubscriptions": nonSubscriptions
+        ]
+
+        return keysAndValues
+            .compactMapValues { $0 }
+            .map { "\($0.key): \($0.value)" }
+            .joined(separator: ", ")
+    }
+}
+
+extension PaidAccessLevelsInfoModel {
+    public override var description: String {
+        let keysAndValues: [String: Any?] = [
+            "id": id,
+            "isActive": isActive,
+            "vendorProductId": vendorProductId,
+            "store": store,
+            "activatedAt": activatedAt,
+            "renewedAt": renewedAt,
+            "expiresAt": expiresAt,
+            "isLifetime": isLifetime,
+            "activeIntroductoryOfferType": activeIntroductoryOfferType,
+            "activePromotionalOfferType": activePromotionalOfferType,
+            "willRenew": willRenew,
+            "isInGracePeriod": isInGracePeriod,
+            "unsubscribedAt": unsubscribedAt,
+            "billingIssueDetectedAt": billingIssueDetectedAt
+        ]
+
+        return keysAndValues
+            .compactMapValues { $0 }
+            .map { "\($0.key): \($0.value)" }
+            .joined(separator: ", ")
+    }
+}
+
+extension SubscriptionsInfoModel {
+    public override var description: String {
+        let keysAndValues: [String: Any?] = [
+            "isActive": isActive,
+            "vendorProductId": vendorProductId,
+            "store": store,
+            "activatedAt": activatedAt,
+            "renewedAt": renewedAt,
+            "expiresAt": expiresAt,
+            "startsAt": startsAt,
+            "isLifetime": isLifetime,
+            "activeIntroductoryOfferType": activeIntroductoryOfferType,
+            "activePromotionalOfferType": activePromotionalOfferType,
+            "willRenew": willRenew,
+            "isInGracePeriod": isInGracePeriod,
+            "unsubscribedAt": unsubscribedAt,
+            "billingIssueDetectedAt": billingIssueDetectedAt,
+            "isSandbox": isSandbox,
+            "vendorTransactionId": vendorTransactionId,
+            "vendorOriginalTransactionId": vendorOriginalTransactionId
+        ]
+
+        return keysAndValues
+            .compactMapValues { $0 }
+            .map { "\($0.key): \($0.value)" }
+            .joined(separator: ", ")
+    }
+}
+
+extension NonSubscriptionsInfoModel {
+    public override var description: String {
+        let keysAndValues: [String: Any?] = [
+            "purchaseId": purchaseId,
+            "vendorProductId": vendorProductId,
+            "store": store,
+            "purchasedAt": purchasedAt,
+            "isOneTime": isOneTime,
+            "isSandbox": isSandbox,
+            "vendorTransactionId": vendorTransactionId,
+            "vendorOriginalTransactionId": vendorOriginalTransactionId
+        ]
+
+        return keysAndValues
+            .compactMapValues { $0 }
+            .map { "\($0.key): \($0.value)" }
+            .joined(separator: ", ")
+    }
+}